Internal Retaining Ring Spiral Carbon Steel Oil For Bore Dia 1 7/8 In Free OD 2.008 In Thickness 0.062 In Thickness Tolerance +/-0.003 In Fits Groove Dia 1.989 In Groove Dia Tolerance +/-0.005 In Fits Groove Width 0.068 In Groove Width Tolerance 0.004 In Fits Groove Depth 0.057 In Meets ANSI Tensile Strength 211 000 PSI Package 10